UNIVALVES. 



ample dimensions ; at such times he may be 

 seen traversing the sands, searching with pati- 

 ence and assiduity for a more ample abode, and 

 examining each empty shell, till he meets with 

 one better suited to his wants. 



BUCCINUM Harpa* 



HARP SHELL. 



Specific Character. Shell oval, turbinate with 

 longitudinal, acute, and curved varices ; mouth 

 expanding, notched at the base ; outer lip re- 

 volute ; columellar lip smooth, flattened ; vari- 

 ously marbled or banded with fawn colour or 

 reddish brown ; size from two to three inches 

 long, and nearly two-thirds as broad. 



There are several varieties of this species, 

 which is much distinguished for its beauty. 

 They are found principally in the Indian ocean, 

 also in the seas of hot climates. They are fur- 

 nished with a horny operculum. 



BUCCINUM Undulatum. 



WAVED WHELK. 



Specific Character. Shell thick and coarse, 

 with seven or eight ventricose whorls, having 



* Plate III. fig. 2. 



